. >>> also today, the group commissioned to investigate the sandy hook massacre meets for the first time. this morning, the sandy hook advisory commission will hear from experts who were involved in the aftermath of the columbine and virginia tech shootings. they'll be asked to make recommendations on school safety, mental health, and gun violence prevention. the group was created last month by connecticut governor dan malloy. >>> a fire forced a family of nine out of their townhouse in prince george's county. it broke out at a townhouse on empress way in bowie. chopper 4 flew over the scene. the fire burned all three floors. nobody was hurt. investigators think a problem with the chimney or fireplace caused the fire. >>> this morning we know a mother and daughter died in the house fire on manor road in falls church. this is cell phone video showing the fire burning the front of the house. neighbors say they heard an explosion, and two brief screams about 3:30 yesterday morning. the identities of the victims have not been released. we do know both victims were hearing impaired. the mothe